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Prometheus vs WeaveScope vs DataDog vs Sysdig monitoring tools compared

With the increasing adoption of containers and microservices in the enterprises, monitoring utilities now have to handle more services and server instances than ever before. Although infrastructure landscape has changed, operations teams still need to monitor the same metrics on CPU, RAM, File System, Network utilization, and the availability of service endpoints.

We have already looked at the list of BEST Kubernetes monitoring tools.In this post, we compare some of the best monitoring tools available for Kubernetes/Dockers.

#1.Datadog

Datadog allows you to collect metrics, events, and service states from Kubernetes service in real-time. You can then, visualize and correlate the data with beautiful graphs, and set flexible alerting conditions without running any storage or monitoring infrastructure yourself.

Container Map / Source - Datadog

Image – Container Map / Source – Datadog

Key Features

  • Datadog seamlessly aggregates metrics and events across the full DevOps stack
  • Ability to monitor, troubleshoot, and optimize application performance
  • Option to search, filter, and analyze logs for troubleshooting
  • Datadog offers real-time dashboards, high-resolution metrics, and events for manipulation and graphing
  • Datadog alerts on any metric, for a single host or for an entire cluster. Get notifications via e-mail, PagerDuty, Slack, and other channels
  • Datadog includes full API access to bring observability to all your apps and infrastructure

#2.WeaveScope

Weave Scope is a visualization and monitoring tool for Docker and Kubernetes. For Microservices-based architecture, Weave scope would be useful in visualizing network bottlenecks, troubleshooting CPU consumption, and troubleshooting memory leaks. It provides a top-down view into your app as well as your entire infrastructure and allows you to diagnose any problems with your distributed containerized app, in real-time, as it is deployed to a cloud provider.

WeaveScope / Source - Weave Works

Image – WeaveScope / Source – Weave Works

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Key Features

  • Drill down Views: For an app which is running in Kubernetes, Scope displays Pods, Replica Sets, Deployments, and related Services on clusters. So for containerized microservices running in the cloud, you can view Processes, Containers, Orchestrators, and Hosts.
  • Real-time Contextual metrics: By clicking on a node you can get a detailed panel with additional metrics on the node. From the detailed panel, you can drill down on processes inside your container to the hosts that your containers run on.
  • Troubleshoot / Manage Containers: On clicking of a container, pod or host, you can view the controls pane from there you can pause, restart, stop and delete without having to leave the Scope browser window.If further troubleshooting is required, terminal windows can be launched from any container or host so that you can interact with your app and run any UNIX command to diagnose issues.
  • Search: Weave supports simple operands so that for example, you can find processes consuming a certain amount of memory or nodes using too much CPU.
  • Filtering options: Nodes can be filtered by CPU and Memory usage so that you can easily find containers using the most resources. If you are running an app in Kubernetes then your app can be filtered by namespace and by container state whether running or stopped or contained and uncontained.
  • Graphic / Table Mode: Views can be presented in Graphic as well as Table Mode. Graphical mode is more useful in cases where you want to have a quick visual overview of your app.Table mode is for viewing data like  resources being consumed by processes, containers, and hosts, etc.,

#3.Prometheus

Prometheus is an open-source systems monitoring and alerting toolkit originally built at SoundCloud. Prometheus primarily supports a pull-based HTTP model but it also supports alerts, it would be the right fit to be part of your operational toolset. Prometheus works well for recording any purely numeric time series. It fits both machine-centric monitoring as well as monitoring of highly dynamic service-oriented architectures.

Prometheus Dashboard

Image – Prometheus Dashboard

Key Features

  • Multi-dimensional data model with time series data identified by metric name and key/value pairs
  • Flexible query language to leverage this dimensionality
  • No reliance on distributed storage; single server nodes are autonomous
  • Time series collection happens via a pull model over HTTP
  • Pushing time series is supported via an intermediary gateway
  • Targets are discovered via service discovery or static configuration
  • Multiple modes of graphing and dashboarding (ex.Grafana) support

#4.Sysdig Monitor

Sysdig Monitor is a monitoring, troubleshooting, and alerting suite offering deep, process-level visibility into dynamic, distributed production environments. Sysdig Monitor captures, correlates, and visualizes full-stack data, and provides dashboards for monitoring.

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Sysdig Monitor Dashboard

Image – Sysdig Monitor Dashboard

Key Features

  • Deep container metrics, rich Kubernetes & Docker monitoring, and enterprise-grade Prometheus monitoring for better application visibility, alerting, and troubleshooting
  • Collect, correlate, and query Prometheus metrics with enterprise-class data management, scale, and support.
  • See and query response times, application performance metrics, Prometheus and custom metrics, container, server, and network metrics, with orchestrator metrics and events
  • Group data by host and container, or use metadata from Docker, Kubernetes, Mesos, and AWS to view everything by microservice. Drill down into pre-built views to quickly see important metrics.
  • Build full-stack dashboards to visualize your applications, microservices, containers, networks, Prometheus metrics, and more.

Comparison of Prometheus vs WeaveScope vs DataDog vs Sysdig monitoring tools

FeaturesPrometheusWeave ScopeData DogSysdig Monitor
LicenseOpen-sourceOpen Source/ CommercialCommercialOpen Source / Commercial
Deployment ModelContainer, Local InstallStandalone / Cloud Service or local install with local agentCloud Service with local agentCloud Service or local install with local agent
Pricing ModelFREEFree or monthly per hostMonthly, per hostFree or monthly per host
PurposeMetrics collectionInstrumentation + metrics CollectionMetrics collectionInstrumentation
DatastoreTime-series, Stores in-memory and on disk. It can also be integrated with external storageWeave Cortex(based on Prometheus) – time series DBOptions for In-memory and on disk. It can also be integrated with external storage or tools like Influx DBElastic Search Time Series Database
Data Retention & HistoryHistory not supported out-of­boxSupportedSupportedSupported
EventsNot supportedSupported – Process, host drill downSupportedUses Elastic search to store events data.
Uses Syscalls to capture events
Capture LogsNot supportedSupportedSupportedSupported
Host agentsExporters available (Node exporter,kube-state­metrics,etc)Probe used to gather information about hostDatadog agents that collect metrics via DogStatsD.Sysdig agent, StatsD,JMX,
Scraping mechanismPush , PullPullPullPull
Query LanguagePromQLPromQLAvailableUses PromQL + GUI for analysis
VisualizationRich dashboards with Grafana Expression browserCentral dashboard with topology mapping (Scope App)Dashboards with real-time performance metricsSysdig GUI
Service DiscoverySupported with modulesSupportedSupportedSupported
Anomaly detectionNot supportedNot availableNot availableSupported
Kubernetes AwareYesYesYesYes
Topology MappingNot availableAvailable Scope app generates reports for visualizationAvailable via Host Map FeatureTopology Map available
Contextual, Deep Linking & LoggingNot availableAvailable
[process I metric drilldown]
Not availableAvailable
Native Web UIYes, availableYes, availableYes, availableYes, available
Alerting & NotificationPrometheus AlertmanagerStandalone / Hosted Alertmanager is available as Weave CloudBuilt-in GUIBuilt-In GUI
API,extensibilityAvailable via IntegrationsAvailable via IntegrationsAvailable via IntegrationsAvailable via Integrations
ScalabilitySupportedSupportedSupportedSupported

Key capabilities to watch out for

  • Aggregate metrics, events, and labels from containers
  • Support for any deployment style (Local, hosted, cloud or hybrid) and ability to collect and report following Host / Container metrics
    • Resource utilization (for each container can consume)
      • CPU Usage
      • Node CPU capacity
      • Memory Usage
      • Node Memory capacity
      • Requests
      • Limits
      • Filesystem Usage
      • Disk I/O (per node)
      • Network Throughput
  • Application metrics – Support for monitoring applications running on Kubernetes/Docker containers

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Prometheus vs WeaveScope vs DataDog vs Sysdig monitoring tools compared
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Prometheus vs WeaveScope vs DataDog vs Sysdig monitoring tools compared
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As container adoption continues to grow, now monitoring utilities have to handle more services and server instances than ever before.This article covers comparison of the most popular tools.
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